feat: Implement getHeader and appendHeader methods in adapters

The setHeader method would replace a header, while there can be multiple headers with the same name
nestjs · Dec 20, 2023 · cfd0ab6 · cfd0ab6
1 parent 18335ff
commit cfd0ab6
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diff --git a/packages/core/adapters/http-adapter.ts b/packages/core/adapters/http-adapter.ts
@@ -117,7 +117,11 @@ export abstract class AbstractHttpAdapter<
   abstract setErrorHandler(handler: Function, prefix?: string);
   abstract setNotFoundHandler(handler: Function, prefix?: string);
   abstract isHeadersSent(response: any);
+  // TODO remove optional signature (v11)
+  abstract getHeader?(response: any, name: string, value: string);
   abstract setHeader(response: any, name: string, value: string);
+  // TODO remove optional signature (v11)
+  abstract appendHeader?(response: any, name: string, value: string);
   abstract registerParserMiddleware(prefix?: string, rawBody?: boolean);
   abstract enableCors(
     options: CorsOptions | CorsOptionsDelegate<TRequest>,

diff --git a/packages/platform-express/adapters/express-adapter.ts b/packages/platform-express/adapters/express-adapter.ts
@@ -143,10 +143,18 @@ export class ExpressAdapter extends AbstractHttpAdapter<
     return response.headersSent;
   }
 
+  public getHeader?(response: any, name: string) {
+    return response.get(name);
+  }
+
   public setHeader(response: any, name: string, value: string) {
     return response.set(name, value);
   }
 
+  public appendHeader?(response: any, name: string, value: string) {
+    return response.append(name, value);
+  }
+
   public listen(port: string | number, callback?: () => void): Server;
   public listen(
     port: string | number,

diff --git a/packages/platform-fastify/adapters/fastify-adapter.ts b/packages/platform-fastify/adapters/fastify-adapter.ts
@@ -466,10 +466,18 @@ export class FastifyAdapter<
     return response.sent;
   }
 
+  public getHeader?(response: any, name: string, value: string) {
+    return response.getHeader(name, value);
+  }
+
   public setHeader(response: TReply, name: string, value: string) {
     return response.header(name, value);
   }
 
+  public appendHeader?(response: any, name: string, value: string) {
+    response.header(name, value);
+  }
+
   public getRequestHostname(request: TRequest): string {
     return request.hostname;
   }